Answer:
- 77k - 40
Step-by-step explanation:
Given
- 4(8k + 5) - 5(9k + 4) ← distribute both parenthesis
= - 32k - 20 - 45k - 20 ← collect like terms
= - 77k - 40
y=-x^2+2x+4 in standard form
Answer:
I think it already is in standard form.
Step-by-step explanation:
Standard form means that a quadratic function is in the form [tex]ax^2+bx+c=y[/tex].
In this case, a=-1, b=2, and c=4.
im bought 10 used books at the yard sale How much did she pay? Did you use addition or multiplication to solve this problem? Why? Also the price of one book is 75 cents
15.24 = 8.44 + 5x step by step pls :)
Answer:
19.334
Step-by-step explanation:
First I multiplied.
15.24 x 1.64 = 24.9936
Then I convert my answer to British pounds.
24.9936 = 19.334 British Pound Sterling
Answer:
1.36
Step-by-step explanation:
15.24 = 8.44 + 5x
subtract 8.44 from both sides
6.80 = 5x
divide both by 5
x = 1.36
Hurry plz what are each angles
A.8,B.2,C.6
Step-by-step explanation:
because
X=A is Z add b is 8
Which division problem does the model below show?
A. 4 divided by 1/6=24
B. 4 divided by 1/6=12
C. 24 divided by 1/6=4
D. 12 divided by 1/6= 4
Please help! Thank you!
Answer:
A
Step-by-step explanation:
Answer:I just had this question also it’s A, 4 divided by 1/6=24
Step-by-step explanation:
The price of a gallon of unleaded gas has risen to $2.86 today. Yesterday's price was $2.81. Find the percentage increase. Round your answer to the nearest tenth of a percent.
Answer:
1.8%
Step-by-step explanation:
2.86-2.81 = .05 (find the difference between the two numbers)
2.81 / .05= .017 (divide the original number)
Multiply 100 to get a percentage
1.8% (rounding to the nearest tenth)
Which types of dilation are the given scale factors?
Select Expansion or Contraction to correctly describe the type of dilation for each given scale factor.
-5/4
3/8
-1.2
.5
Answer:
- 5/4: Englargement
3/8: Reduction
- 1.2: Englargement
.5: Reduction
Step-by-step explanation:
Any number from 1 up is an enlargement. Any number from 0 - 0.9 is a reduction. The same goes for negatives. Any number from -1 down is an enlargement. Any number from 0 - -0.9 is a reduction.
Put -3/2, and -1 1/4 and -1.75 in order from least to greatest. You can use the number line to help.
Answer:
-1.75, -3/2, -1 1/4
Step-by-step explanation:
Let me know in comments if I need to explain.
-5.65 ___ -5.6
Which one is correct? Greater than, less than, or equal?
A. (-5.65 > -5.6)
B. (-5.65 < -5.6)
C. (-5.65 = -5.6)
Explain btw!!!
Answer:
B. (-5.65 < -5.6)
Step-by-step explanation:
-5.6 is considered -5.60 if you fill in the missing decimal point to create two spaces after the decimal to compare. Since both decimals are negatives, -5.6 is closer to 0 on the number line.
Solve the following: What number is 60% of 48?
Answer:
28.8
Step-by-step explanation:
x = .60(48)
x = 28.8
Step-by-step explanation:
hope this helps, good Night xD
Use a model to divide. 2/5 ÷ 4 Express the answer in simplest terms. 1/20 3/20 2/10 1/10
Answer:
1/10 or 2/20
Step-by-step explanation:
Answer: Find the exact value using trigonometric identities.
Exact Form: 1/10, 3/20000 Decimal Form: 0.1, 0.00015
2 1/2 divided by 5/2 = ?
Answer:
I always do keep change flip when dividing fractions. First change the mixed number into an improper fraction. So keep the first fraction the same, change the operation, and flip the second fraction. The equation should be 5/2 x 2/5. This gets you 10/10. And that simplified is 1.
Step-by-step explanation:
8 x (30 + 2) = (8 x ___) + (8 x 2)
Answer:
30 is the right one Hope this helps you Stay happy and safe Do mark as brainliest ✌️Answer:
30
Step-by-step explanation:
8 x (30 + 2) = (8 x 30) + (8 x 2)
We need to use distributive property.
Hope this helps!
A t-shirt at the mall has an original price of $35. If it is on sale for 30% off, how much money will you save?
Answer:
$10.5
Step-by-step explanation:
30/100 X 35
= 1050/100
= 10.5
please i need help asap. if u can help that’d be great
Answer:
The answer is B. (2x-3)
The table and graph represent two different bus tours,
showing the cost as a linear function of the number of
people in the group.
Which description best compares the two functions?
Tour 1
Tour 2
People
Cost ($)
1
45
2
55
3
65
75
Number of People
The functions have the same
initial value.
The functions have the same
rate of change.
The rate of change for Tour
1 is greater.
Both functions are the same.
Answer: The functions have the same initial value
Step-by-step explanation: I say this because "Tour 1" is a linear funtion. I subtracted 45 from 55 and got 10, this happened for all the numbers on the table. On the other hand, When observing the graph it shows the initial point between 40 and 30. I estimated and got 35. When I went to check my answer, I subtracted 35 from 45 and got 10. Therefore, 35 is the initial value for both the graph and the chart.
Answer:
the function have the same initial value
Step-by-step explanation:
Can someone help me with this??
Answer:
yes
no
yes
yes
Answer:
nope
sorry lad
Step-by-step explanation:
Find the distance round the semi circle with a diameter of
35 cm
Answer: a semi circle is half a circle so 35 divided by 2 is 17.5
Step-by-step explanation:
Answer:
54.91 cm ² is the perimeter
formula =2 × 3.14× r (half the diameter)× 0.5
10(x-5)+5x-6 solve using distributive property and simplify
Answer:
=15x-56
Step-by-step explanation:
bill weighs 120 pounds and is gaining ten pounds each month.phil weighs 150 pounds and is gaining 4 pound each month. how many months,m, will it take for bill to weigh the same as phil?
Answer:5 months
Step-by-step explanation:150 +4 5 times would be 170 and 120+10 5 times would be 170 as well
14:6 divided by 5 ( the 14:6 is a ration )
Answer right with proof please.
Answer:
the answer is a
Step-by-step explanation:
you times the 1/6 by 2 to get 2/12 then 3/4 by 3 to get 9/12 so all your fractions have the same denominator and the do the rest of the math with the new fractions and the same whole numbers that went with them. hope this helps
Solve the inequality below 4(x + 2) < (4 - 4r)
Answer:
Step-by-step explanations:
pls help!!! I will give brainliest!!
2/3 - 1/5
A) 1/2
B) 13/15
C) 30/15
D) 7/15
Answer:
D: 7/15
Step-by-step explanation:
you find the common factor of the denominators so now you have 10/15 - 3/15. then you subtract the numerators to get 7/15.
hope this helps :))
Answer:
[tex]\frac{7}{15}[/tex]
Step-by-step explanation:
=> [tex]\frac{2}{3}-\frac{1}{5}[/tex]
=> [tex]\frac{2\times{5}}{3\times{5}}-\frac{1\times{3}}{5\times{3}}[/tex]
=> [tex]\frac{10}{15}-\frac{3}{15}[/tex]
=> [tex]\frac{10-3}{15}[/tex]
=> [tex]\bold{\frac{7}{15}}[/tex]
What is the equation of a line that contains the points (2,-2) and (0, -2)? y = 0
x=-2
y = -2
x=0
Answer:
Y=-2
Step-by-step explanation:
A scale drawing of a playground is shown below.
PLAYGROUND
2.5 in.
KEY
1 in. = 40 ft.
3 in.
1 in.
4.5 in.
Using this scale, what is the area, in square feet, of the playground?
540 square feet
450 square feet
440 square feet
380 square feet
Write the equation of the line perpendicular to y=4x+2 and passes though the point (1,1).
Answer:y=-1/4x+5/4
Step-by-step explanation:
Perpendicular means the slope has to be the negative reciprocal.
Since the slope is currently 4, the perpendicular slope is -1/4.
It also has to pass through the point 1,1 , so you just plug x in which will be
1*-1/4=-1/4. from 1 to -1/4, its 5/4, so that's your b in y = mx+b
The equation will then be y=-1/4x+5/4
1. Which is an equation of the line parallel to y =2x-7 and passes through
(-1, 3)?
Answer: The answer is y=2x+5
Answer:
(-3.5,-7)
Step-by-step explanation:
I don't know if this is right or not but in that equation you have to first find what x is. so you would change the equation to look like 2x+y= -7. then you would write 2x+y×0= -7. then the equation would be 2x= -7 and then you would divide 2x÷2=x and -7÷2= -3.5. so for x it would be (-3.5,Y) no we have to figure out y.
so you would keep the equation as 2x+y= -7. and then would write 2x×0+y= -7. and then you would have the equation y= -7. so y= -7.
so if you fill in the spaces you get (-3.5,-7)
sorry if this is incorrect
ꜱᴏʟᴠᴇ (-9x-3)+(-3+2x)
[tex] \LARGE{ \underline{ \pink{ \bf{Required \: answer:}}}}[/tex]
I think, Here solving the equation means simplifying the equation which will include steps like expanding the parentheses etc.
GiveN:
(-9x + 3) + (-3 + 2x)Since we have add the terms inside the parentheses, the signs will remain as usual.
⇛ -9x + 3 - 3 + 2x
Combining the like terms and constant terms,
⇛ -9x + 2x + 3 - 3
This can be written as,
⇛ -7x + 0
⇛ -7x
Thus, On solving the equation we got -7x.
Answer:
−7x−6
Explanation:
(−9x−3)+(−3+2x)
Subtract 3 from −3 to get −6.
−9x−6+2x
Combine −9x and 2x to get −7x.
−7x−6
The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication, and Division (from left to right), Addition, and Subtraction (from left to right).
Work out the value of
5^8 x 5^-2 /
5^4
Answer:
the answer is 25
Step-by-step explanation:
After simplifying the expression the final value of the expression is given by 25
What are exponents?Exponent is a mathematical operation, written as an. Here the expression an involves two numbers, the base 'a and the exponent or power 'n'. Exponents are used to simplify algebraic expressions.
Given here : The expression 5⁸×5⁻² / 5⁴
We know from the law of exponents, for any non-zero term a,
[tex]a^m.a^n=a^{m+n}[/tex]
Thus simplifying the expression we get
5⁸×5⁻² / 5⁴
=5⁸⁻² /5⁴
=5⁶⁻⁴
=5²
=25
Hence, The value of the expression is 25
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